History - Memor fui
Nov 14, 2018 (SirPL)
Added reference to Liber Usualis
sources
[{"chant_id":"73","source":"2","page":"564","sequence":"2","extent":"2"},{"chant_id":"73","source":"3","page":"1580","sequence":"1","extent":"2"}]
Added reference to Liber Usualis
sources
[{"chant_id":"73","source":"2","page":"564","sequence":"2","extent":"2"},{"chant_id":"73","source":"3","page":"1580","sequence":"1","extent":"2"}]